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Seiko Instruments Electronic Components Datasheet

S-8200A Datasheet

BATTERY PROTECTION IC

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S-8200A pdf
S-8200A Series
www.sii-ic.com
© Seiko Instruments Inc., 2010-2014
BATTERY PROTECTION IC FOR 1-CELL PACK
Rev.4.0_00
The S-8200A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy
voltage detection circuits and delay circuits.
The S-8200A Series is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge,
overdischarge, and overcurrent.
Features
High-accuracy voltage detection circuit
Overcharge detection voltage
3.5 V to 4.5 V (5 mV step)
Accuracy ±20 mV (Ta = +25°C)
Overcharge release voltage
3.1 V to 4.5 V*1
Accuracy ±25 mV (Ta = 10°C to +60°C)
Accuracy ±30 mV
Overdischarge detection voltage
Overdischarge release voltage
2.0 V to 3.4 V (10 mV step)
2.0 V to 3.4 V*2
Accuracy ±35 mV
Accuracy ±50 mV
Discharge overcurrent detection voltage
0.05 V to 0.20 V (10 mV step) Accuracy ±10 mV
Charge overcurrent detection voltage
0.20 V to 0.05 V (25 mV step) Accuracy ±15 mV
Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).
Accuracy ±20%
High-withstand voltage device is used for charger connection pins
(VM pin and CO pin: Absolute maximum rating = 28 V)
0 V battery charge function "available" / "unavailable" is selectable.
Power-down function "available" / "unavailable" is selectable.
Wide operation temperature range
Ta = 40°C to +85°C
Low current consumption
During operation
2.8 μA typ., 5.0 μA max. (Ta = +25°C)
During power-down
0.1 μA max. (Ta = +25°C)
Lead-free (Sn 100%), halogen-free
*1. Overcharge release voltage = Overcharge detection voltage Overcharge hysteresis voltage
(Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)
*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage
(Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)
Applications
Lithium-ion rechargeable battery pack
Lithium polymer rechargeable battery pack
Packages
SOT-23-6
SNT-6A
Seiko Instruments Inc.
1


Seiko Instruments Electronic Components Datasheet

S-8200A Datasheet

BATTERY PROTECTION IC

No Preview Available !

S-8200A pdf
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8200A Series
Block Diagram
Output control circuit
DO
0 V battery charge /
charge inhibition circuit
Divider control
circuit
Oscillator control
circuit
CO
RVMD
VM
RVMS
Charger detection circuit
+
Discharge overcurrent detection
comparator
+
Charge overcurrent detection
comparator
+
Load short-circuiting detection
comparator
Remark All diodes shown in figure are parasitic diodes.
Figure 1
+
Overcharge
detection
comparator
+
Overdischarge
detection
comparator
Rev.4.0_00
VDD
VSS
2 Seiko Instruments Inc.


Part Number S-8200A
Description BATTERY PROTECTION IC
Maker Seiko Instruments
Total Page 30 Pages
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